The average hvac salary at Edinburg Cisd was $31,506 , which is 43 percent lower than the average salary for this job in Texas, and 43 percent lower than the national average for this job . Hvac salaries at Edinburg Cisd typically range from $27,687 to $33,742 (25th to 75th percentile). The highest reported hvac salary was $40,967. There are 17 employees at Edinburg Cisd with the job title hvac.